The series is written in sigma notation as

MATHEMATICS · Subjective · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

The series is written in sigma notation as ∑k=29(3+5(k−2))\displaystyle \sum_{k=2}^{9} \bigl(3+5(k-2)\bigr). Identify: (i) the first term, (ii) the common difference, (iii) the number of terms summed.

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